<template>
  <!-- paper manage  试卷 管理 -->
  <div class="mod-config">
    <el-form
      :inline="true"
      :model="dataForm"
      @keyup.enter.native="getDataList()"
    >
      <el-form-item>
        <el-input
          v-model="dataForm.key"
          placeholder="参数名"
          clearable
        ></el-input>
      </el-form-item>
      <el-form-item>
        <el-button @click="getDataList()">查询</el-button>
        <el-button type="primary" @click="addOrUpdateHandle()">新增</el-button>
        <el-button
          type="danger"
          @click="deleteHandle()"
          :disabled="dataListSelections.length <= 0"
          >批量删除</el-button
        >
      </el-form-item>
    </el-form>

    <!-- ------------------------------------------------------------------------ -->
    <el-collapse @change="handleChange">
      <el-collapse-item
        v-for="(item, index) in dataList"
        :key="index"
        :title="item.paperName"
        :name="item.paperId"
        align="center"
      >
        <el-table
          :data="item.children"
          border
          @selection-change="selectionChangeHandle"
          style="width: 100%"
        >
          <el-table-column
            type="selection"
            header-align="center"
            align="center"
            width="50"
          >
          </el-table-column>

          <el-table-column
            prop="questionType"
            header-align="center"
            align="center"
            label="题目类型"
            width="66px"
          >
            <template slot-scope="scope">
              <span v-if="scope.row.questionType === 1">选择题</span>
              <span v-if="scope.row.questionType === 2">填空题</span>
              <span v-if="scope.row.questionType === 3">判断题</span>
            </template>
          </el-table-column>

          <el-table-column
            prop="question.question"
            label="题目"
          >
          </el-table-column>
    
          <el-table-column
            prop="question.answer"
            label="选项与答案"
            align="center"
          >
            <template slot-scope="scope">
              <div v-if="scope.row.questionType === 1" align="left">
                <span v-if=" scope.row.question.answera!==null"> A: {{ scope.row.question.answera }} <br></span>
                <span v-if=" scope.row.question.answerb!==null">B: {{ scope.row.question.answerb }} <br></span>
                <span v-if=" scope.row.question.answerc!==null">C: {{ scope.row.question.answerc }} <br></span>
                <span v-if=" scope.row.question.answerd!==null">D: {{ scope.row.question.answerd }} <br></span>
                <span v-if=" scope.row.question.answere!==null">E: {{ scope.row.question.answere }} <br></span>
                <span v-if=" scope.row.question.answerf!==null">F: {{ scope.row.question.answerf }} <br></span>
                <span v-if=" scope.row.question.answer!==null">正确答案: {{ scope.row.question.answer }} <br></span>
              </div>
              <div v-if="scope.row.questionType === 2| scope.row.questionType === 3" align="left">
                <span v-if=" scope.row.question.answer!==null">正确答案: {{ scope.row.question.answer }} <br></span>
              </div>
            </template>
          </el-table-column>


          <el-table-column
            fixed="right"
            header-align="center"
            align="center"
            width="150"
            label="操作"
          >
            <template slot-scope="scope">
              <el-button
                type="text"
                size="small"
                @click="addOrUpdateHandle(scope.row.id)"
                >修改</el-button
              >
              <el-button
                type="text"
                size="small"
                @click="deleteHandle(scope.row.id)"
                >删除</el-button
              >
            </template>
          </el-table-column>
        </el-table>
      </el-collapse-item>
    </el-collapse>

    <!-- ----------------------------------------------------------------------- -->

    <!-- <el-table
      :data="dataList"
      border
      v-loading="dataListLoading"
      @selection-change="selectionChangeHandle"
      style="width: 100%;">
      <el-table-column
        type="selection"
        header-align="center"
        align="center"
        width="50">
      </el-table-column>

      <el-table-column
        prop="paperName"
        header-align="center"
        align="center"
        label="试卷名称">
      </el-table-column>
      <el-table-column
        prop="questionType"
        header-align="center"
        align="center"
        label="题目类型">
      </el-table-column>
      
      <el-table-column
        prop="question.question"
        header-align="center"
        align="center"
        label="题目编号">
      </el-table-column>
      <el-table-column
        fixed="right"
        header-align="center"
        align="center"
        width="150"
        label="操作">
        <template slot-scope="scope">
          <el-button type="text" size="small" @click="addOrUpdateHandle(scope.row.id)">修改</el-button>
          <el-button type="text" size="small" @click="deleteHandle(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table> -->

    <!-- <el-pagination
      @size-change="sizeChangeHandle"
      @current-change="currentChangeHandle"
      :current-page="pageIndex"
      :page-sizes="[10, 20, 50, 100]"
      :page-size="pageSize"
      :total="totalPage"
      layout="total, sizes, prev, pager, next, jumper">
    </el-pagination> -->
    <!-- 弹窗, 新增 / 修改 -->
    <add-or-update
      v-if="addOrUpdateVisible"
      ref="addOrUpdate"
      @refreshDataList="getDataList"
    ></add-or-update>
  </div>
</template>

<script>
import AddOrUpdate from "./papermanage-add-or-update";
export default {
  data() {
    return {
      dataForm: {
        key: "",
      },
      dataList: [],
      pageIndex: 1,
      pageSize: 10,
      totalPage: 0,
      dataListLoading: false,
      dataListSelections: [],
      addOrUpdateVisible: false,
    };
  },
  components: {
    AddOrUpdate,
  },
  activated() {
    this.getDataList();
  },
  methods: {
    // 获取数据列表
    getDataList() {
      this.dataListLoading = true;
      this.$http({
        url: this.$http.adornUrl("/exam/papermanage/paperList"),
        method: "get",
        params: this.$http.adornParams({
          page: this.pageIndex,
          limit: this.pageSize,
          key: this.dataForm.key,
        }),
      }).then(({ data }) => {
        if (data && data.code === 0) {
          this.dataList = data.paperInfos;
        } else {
          this.dataList = [];
          this.totalPage = 0;
        }
        this.dataListLoading = false;
      });
    },
    // 每页数
    sizeChangeHandle(val) {
      this.pageSize = val;
      this.pageIndex = 1;
      this.getDataList();
    },
    // 当前页
    currentChangeHandle(val) {
      this.pageIndex = val;
      this.getDataList();
    },
    // 多选
    selectionChangeHandle(val) {
      this.dataListSelections = val;
    },
    // 新增 / 修改
    addOrUpdateHandle(id) {
      this.addOrUpdateVisible = true;
      this.$nextTick(() => {
        this.$refs.addOrUpdate.init(id);
      });
    },
    // 删除
    deleteHandle(id) {
      var ids = id
        ? [id]
        : this.dataListSelections.map((item) => {
            return item.id;
          });
      this.$confirm(
        `确定对[id=${ids.join(",")}]进行[${id ? "删除" : "批量删除"}]操作?`,
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).then(() => {
        this.$http({
          url: this.$http.adornUrl("/exam/papermanage/delete"),
          method: "post",
          data: this.$http.adornData(ids, false),
        }).then(({ data }) => {
          if (data && data.code === 0) {
            this.$message({
              message: "操作成功",
              type: "success",
              duration: 1500,
              onClose: () => {
                this.getDataList();
              },
            });
          } else {
            this.$message.error(data.msg);
          }
        });
      });
    },
  },
};
</script>

<style lang="scss">
.collapse-item {
  font-size: 1000px;

  color: rgb(231, 28, 28);
}
</style>